From mboxrd@z Thu Jan 1 00:00:00 1970 From: Samuel Thibault Subject: Re: PCI passthrough support via PV-PCI Date: Wed, 2 Jul 2008 13:58:10 +0100 Message-ID: <20080702125810.GG4714@implementation.uk.xensource.com> References: <20080702125055.GF4714@implementation.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20080702125055.GF4714@implementation.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Note however that it can not work as such because ioemu needs to perform some domctls, which the hypervisor will not let the stub domain do. We need to find a secure way to allow a domain to call memory/IO mapping and IRQ/MSI binding domctls when it is allowed to, i.e. probably have xend tell the hypervisor which PCI cards are controlled by which domains and then accept domctls for their resources. Samuel